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7th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    In which of the following cases salt will be formed?

    A) When hydrochloric acid reacts with sulphuric acid.

    B) When sodium hydroxide reacts with hydrochloric acid.

    C) When carbonic acid reacts with hydrochloric acid.

    D) When sodium hydroxide reacts with potassium hydroxide.

    E) None of these

    Correct Answer: B

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